+++ This bug was initially created as a clone of Bug #1727800 +++ STR: 1. Open https://jsfiddle.net/jib1/tj0x3sv1, allow cam + mic, and wait Expected result: ``` audio: 0 CSRCs, 0 SSRCs. video: 0 CSRCs, 0 SSRCs. checking connected audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. (repeats forever) ``` Actual result: ``` audio: 0 CSRCs, 0 SSRCs. video: 0 CSRCs, 0 SSRCs. checking connected audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. ``` Note the intermittent `0 SSRCs` for video. ### Regression range 23:09.52 INFO: Last good revision: a77ca5bd6b7c49099c672e103771ca2bf077cc40 (2020-05-14) 23:09.52 INFO: First bad revision: f340bbb582d16c083344b1370bd4e4d4caf5fb17 (2020-05-15) 23:09.52 INFO: Pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=a77ca5bd6b7c49099c672e103771ca2bf077cc40&tochange=f340bbb582d16c083344b1370bd4e4d4caf5fb17 : : 23:16.71 INFO: There are no build artifacts for these changesets (they are probably too old). Unfortunately, mozregression was not conclusive. Oddly, this *almost* goes back to the introduction of SSRC for video, but not quite. The 2020-05-14 version had video working reliably, as far as I could tell. It's possible this was a fluke, though a tested it for a good minute.
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+++ This bug was initially created as a clone of Bug #1727800 +++ STR: 1. Open https://jsfiddle.net/jib1/tj0x3sv1, allow cam + mic, and wait Expected result: ``` audio: 0 CSRCs, 0 SSRCs. video: 0 CSRCs, 0 SSRCs. checking connected audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. (repeats forever) ``` Actual result: ``` audio: 0 CSRCs, 0 SSRCs. video: 0 CSRCs, 0 SSRCs. checking connected audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 1 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. audio: 0 CSRCs, 1 SSRCs. video: 0 CSRCs, 0 SSRCs. ``` Note the intermittent `0 SSRCs` for video only. ### Regression range 23:09.52 INFO: Last good revision: a77ca5bd6b7c49099c672e103771ca2bf077cc40 (2020-05-14) 23:09.52 INFO: First bad revision: f340bbb582d16c083344b1370bd4e4d4caf5fb17 (2020-05-15) 23:09.52 INFO: Pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=a77ca5bd6b7c49099c672e103771ca2bf077cc40&tochange=f340bbb582d16c083344b1370bd4e4d4caf5fb17 : : 23:16.71 INFO: There are no build artifacts for these changesets (they are probably too old). Unfortunately, mozregression was not conclusive. Oddly, this *almost* goes back to the introduction of SSRC for video, but not quite. The 2020-05-14 version had video working reliably, as far as I could tell. It's possible this was a fluke, though a tested it for a good minute.